/** @file
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The definition for VTD Null Root Entry Table PPI.
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This is a lightweight VTd null root entry table report in PEI phase.
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __VTD_NULL_ROOT_ENTRY_TABLE_PPI_H__
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#define __VTD_NULL_ROOT_ENTRY_TABLE_PPI_H__
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#define EDKII_VTD_NULL_ROOT_ENTRY_TABLE_PPI_GUID \
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{ \
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0x3de0593f, 0x6e3e, 0x4542, { 0xa1, 0xcb, 0xcb, 0xb2, 0xdb, 0xeb, 0xd8, 0xff } \
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}
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//
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// Null root entry table address is a fixed silicon reserved address,
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// which is used to block the DMA transfer.
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//
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typedef UINT64 EDKII_VTD_NULL_ROOT_ENTRY_TABLE_PPI;
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extern EFI_GUID gEdkiiVTdNullRootEntryTableGuid;
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#endif
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